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Finding the Fourth Proportional to 531,511.92, 797,270.76 and 132,152.70

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Solution

The fourth proportional to 531,511.92, 797,270.76 and 132,152.70 is: 198,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,511.92 : 797,270.76 = 132,152.70 : x
  2. Step 2: Convert to fraction form
    531,511.92/797,270.76 = 132,152.70/x
  3. Step 3: Cross multiply
    531,511.92x = 797,270.76 × 132,152.70
  4. Step 4: Simplify right side
    531,511.92x = 105,361,483,565.05
  5. Step 5: Solve for x
    x = 105,361,483,565.05/531,511.92
  6. Step 6: Final answer
    x = 198,229.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.